Members from Walter Reed Army Institute of Research continue walk and ruck along the course during the 9/11 Remembrance Miles event at Forest Glen Annex, Sept. 10, 2021. Soldiers, civilians, and community members took part in the event to honor the 2,977 lives lost 20 years ago by walking 2,977 miles in 24-hours. Virtual participants could submit their miles through Facebook, Instagram, and Twitter using #WRAIRMiles or through the event email, WRAIR24HRRemembrancemiles@gmail.com. (U.S. Army photo by Arlen Caplan)